Excavator



FIG. 1 is a front, right-side, and top view of an excavator, showing the new design.

FIG. 2 is a left-side elevation view of the excavator.

FIG. 3 is a right-side elevation view of the excavator.

FIG. 4 is a front elevation view of the excavator.

FIG. 5 is a rear elevation view of the excavator.

FIG. 6 is a top plan view of the excavator; and,

FIG. 7 is a bottom plan view of the excavator. 

CLAIM The ornamental design for an excavator, as shown. 